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【简答题】
菲德勒模型中的任务结构是指任务的()和部下对这些任务的()。
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【单选题】如图电路中, 已知E1=12V, E2=6V, E3=6V,电源内阻可忽略不计, R1=3Ω, R2=3Ω, R3=2Ω, Uab的值为
A.
-6V
B.
-3V
C.
3V
D.
6V
【单选题】()是分组第一个比特到最后一个比特在传输链路上传输所需的时间。
A.
处理时延
B.
排队时延
C.
传输时延
D.
传播时延
【单选题】如何知道汽车的生产年份
A.
看发动机舱的铭牌
B.
看门缝周边的小铭牌
C.
看前挡风玻璃的VIN码
D.
看轮胎上的铭牌
【简答题】已知E1=6V,E2=1V,内阻不计,R1=1Ω,R2=2Ω,R3=3Ω,试用支路电流法求各支路电流
【单选题】--- You don’t seem to enjoy your meal very much. ----- Not really, I’m just______.
A.
on diets
B.
on a diet
C.
on the diet
D.
in a diet
【单选题】戊戌变法失败之后,光绪皇帝被慈禧太后软禁在哪里?()
A.
中南海瀛台
B.
承德避暑山庄
C.
交泰殿
D.
后宫
【单选题】We’re very sorry,really,but we______the window.
A.
do not mean breaking
B.
did not mean breaking
C.
did not mean to break
D.
do not mean to break
【单选题】听力原文:M: Look, I'm sorry to bother you about this, but the music is really loud. W: I didn't realize you could hear it. Q: What will the woman probably do? (13)
A.
Turn up the volume.
B.
Stop talking so much.
C.
Play the music more softly.
D.
Play different music.
【单选题】如图电路中, 已知E1=12V, E2=6V, E3=6V,电源内阻可忽略不计, R1=3Ω, R2=3Ω, R3=2Ω, Uac的值为
A.
-12V
B.
-6V
C.
6V
D.
12V
【单选题】听力原文:M: Look, I'm sorry to bother you about this, but the music is really loud. W: I didn't realize you could hear it. Q: What will the woman probably do? (13)
A.
Turn up the volume.
B.
Play the music more softly.
C.
Stop talking so much.
D.
Play different music.
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